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Base64 Encoder / Decoder
Fast, secure online Base64 encoder and decoder. Perfect for API authorization headers, web development, and data payloads.
How to Use Base64 Encoder / Decoder
- 1Select ModeChoose whether you want to "Encode" or "Decode".
- 2Input StringPaste your string into the input workspace.
- 3Get ResultReview the instant output and click "Copy to Clipboard".
Key Capabilities
- Two-way conversion: Encode UTF-8 text to Base64 or Decode Base64 to text
- Supports special UTF-8 characters and multi-line strings cleanly
- Instant swap button to quickly reverse encode/decode operations
- Client-side zero-leak security
Frequently Asked Questions
What is Base64 encoding used for?
Base64 represents binary or complex character data in an ASCII string format, commonly used in HTTP headers, data URIs, and email attachments.
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